Python
[Solved] Find Duplicate in Array in O(n) Linear Time
Problem Statement: An array contains n numbers ranging from 0 to n-1. There are some numbers duplicated in the array. It is not clear how many numbers are duplicated or how...
Smallest Subarray with Sum Greater Than or Equal To Given Number
Problem statement: Find out the length of the minimum subarray whose sum is greater than or equal to the given number. This question was asked in many product-based companies...
Monkey Patching in Python Explained with Coding Examples
Explaining monkey patching in Python with simple examples so that everyone can understand. In this tutorial, I will mention its use-case where you can use it in your project or...
Python else after for/while loop explained with Example
For most of the programming languages like C/C++, Java..., else-statement is coupled with if-statement. The else-statement can be used only with the if-statement. This is not...
OSError: [WinError 10022] An invalid argument was supplied | Python Socket Error
I was working on socket programming. The code was running fine on Python 2 but it was throwing an error while running on Python 3 version. Error is as follows: >>py...
Top 57 Python Interview Questions and Answers
Python is one of the best in-demand programming languages. If you hone good Python programming skills, there are tones of job opportunities. There are a lot of techies learning...
Python Name Mangling Explained with Example
Going through this complete tutorial, you will learn one of the very important concepts- Python Name Mangling. It's not so difficult as it seems to be if you follow this...
PwC Written Test, Interview Questions and Answers for Python Developer
I have attended the PwC drive in Bangalore, India. One of the consultancies shortlisted my profile online for PwC job recruitment. Freshers, as well as experienced candidates,...
[Coding Challenge] Special Elements in Matrix
This coding challenge was asked in Goldman Sachs coding round. Problem Statement: Given a matrix of size m*n, m denotes the row starting with index 0 and n denotes the...